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3d6642eac7
For FT2000+/64 devices, when four virtual machines share the same physical network interface, DROP will occur due to the single core CPU performance problem. ip_check_defrag and macvlan_process_broadcast is on the same CPU. When the MACVLAN PORT increases, the CPU usage reaches more than 90%. bc_queue > bc_queue_len_used (default 1000), causing DROP. Signed-off-by: zhangxiangqian <zhangxiangqian@kylinos.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.